[inspector] added inspector protocol test runner

test/inspector-protocol/load-extension.cc

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "test/inspector-protocol/load-extension.h"
+
+#include "src/utils.h"
+#include "src/vector.h"
+
+namespace v8_inspector {
+
+namespace {
+
+v8::Local<v8::String> ReadFile(v8::Isolate* isolate, const char* name) {
+  bool exists = false;
+  v8::internal::Vector<const char> chars =
+      v8::internal::ReadFile(name, &exists, true);
+  if (!exists) return v8::Local<v8::String>();
+  v8::Local<v8::String> result =
+      v8::String::NewFromUtf8(isolate, chars.start(),
+                              v8::NewStringType::kNormal, chars.length())
+          .ToLocalChecked();
+  return result;
+}
+
+}  // namespace
+
+v8::Local<v8::FunctionTemplate> LoadExtension::GetNativeFunctionTemplate(
+    v8::Isolate* isolate, v8::Local<v8::String> str) {
+  return v8::FunctionTemplate::New(isolate, LoadExtension::Load);
+}
+
+void LoadExtension::Load(const v8::FunctionCallbackInfo<v8::Value>& args) {
+  for (int i = 0; i < args.Length(); i++) {
+    v8::String::Utf8Value file(args[i]);
+    if (*file == NULL) {
+      fprintf(stderr, "Error loading file");
+      return;
+    }
+    v8::Isolate* isolate = args.GetIsolate();
+    v8::Local<v8::String> source = ReadFile(isolate, *file);
+    if (source.IsEmpty()) {
+      fprintf(stderr, "Error loading file");
+      return;
+    }
+    v8::ScriptOrigin origin(v8::String::Empty(isolate));
+    v8::ScriptCompiler::Source scriptSource(source, origin);
+    v8::Local<v8::Context> context = isolate->GetCurrentContext();
+    v8::Local<v8::Script> script;
+    if (!v8::ScriptCompiler::Compile(context, &scriptSource).ToLocal(&script))
+      return;
+    v8::MaybeLocal<v8::Value> result;
+    result = script->Run(context);
+  }
+}
+
+}  // namespace v8_inspector